diff --git a/public/js/grocy.js b/public/js/grocy.js
index a7c6ff59..ce21c862 100644
--- a/public/js/grocy.js
+++ b/public/js/grocy.js
@@ -257,7 +257,7 @@ __n = function(number, singularForm, pluralForm, isQu = false)
 		}
 	}
 
-	if (pluralForm.isEmpty())
+	if (pluralForm == null || pluralForm.isEmpty())
 	{
 		pluralForm = singularForm;
 	}